3M CO — Director's Dealing 2010

Jan 6, 2010

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2010-01-01

Reporting Person: Lacey Roger HD (Senior Vice President)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	22222	Direct
Common Stock	290	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$0		Common Stock (3279.346)		Direct
Incentive Stock Option (Right to Buy)	$43.35	2010-05-07	Common Stock (1780)		Direct
Incentive Stock Option (Right to Buy)	$58.625	2011-05-06	Common Stock (1704)		Direct
Non-qualified Stock Option (Right to Buy)	$83.95	2011-05-06	Common Stock (1593)		Direct
Non-qualified Stock Option (Right to Buy)	$84.40	2014-05-09	Common Stock (23339)		Direct
Non-qualified Stock Option (Right to Buy)	$86.50	2013-05-13	Common Stock (4930)		Direct
Non-qualified Stock Option (Right to Buy)	$80.05	2014-08-08	Common Stock (3334)		Direct
Non-qualified Stock Option (Right to Buy)	$86.50	2011-05-06	Common Stock (14329)		Direct
Non-qualified Stock Option (Right to Buy)	$76.80	2015-05-08	Common Stock (17043)		Direct
Non-qualified Stock Option (Right to Buy)	$80.65	2013-05-13	Common Stock (14113)		Direct
Non-qualified Stock Option (Right to Buy)	$87.35	2016-05-09	Common Stock (17693)		Direct
Non-qualified Stock Option (Right to Buy)	$90.35	2010-05-07	Common Stock (5225)		Direct
Non-qualified Stock Option (Right to Buy)	$90.35	2012-05-14	Common Stock (19476)		Direct
Non-qualified Stock Option (Right to Buy)	$90.35	2013-05-13	Common Stock (203)		Direct
Non-qualified Stock Option (Right to Buy)	$90.35	2014-05-09	Common Stock (6154)		Direct
Non-qualified Stock Option (Right to Buy)	$84.78	2017-05-08	Common Stock (12068)		Direct
Non-qualified Stock Option (Right to Buy)	$77.18	2018-05-13	Common Stock (13164)		Direct
Non-qualified Stock Option (Right to Buy)	$54.11	2019-02-08	Common Stock (16192)		Direct

Footnotes

F1: The restricted stock units will vest 100% three years from the grant date (2/9/2009).

F2: Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

F3: This option vests in three equal annual installments beginning one year from the grant date (5/8/2007).

F4: This option vests in three equal annual installments beginning one year from the grant date (5/13/2008).

F5: This option vests in three equal annual installments beginning one year from the grant date (2/9/2009).